Aerial view of Château de Pierrefonds, its ring of round towers and conical roofs rising above the Forest of Compiègne

Château de Pierrefonds

Rising above its village at the edge of the Compiègne Forest, the Château de Pierrefonds looks like the most complete medieval fortress in France: eight colossal towers, a double curtain wall bristling with machicolations, a drawbridge over a rock-cut ditch. Yet the castle you walk today is barely more than a century and a half old, the work of Eugène Viollet-le-Duc, who rebuilt a genuine late-medieval ruin for Napoleon III into something its original builders would not have recognized. Outside, he reconstructed the war architecture of around 1400 with an archaeologist’s care. Inside, he invented: polychrome halls, a chapel out of a dream, and a fireplace crowned by warrior heroines wearing the face of an empress. Pierrefonds is the medieval fortress the nineteenth century finished dreaming, and the story of how a stronghold became a ruin and then a fantasy is one of the strangest in French architecture.

Quick Facts

Quick Facts
LocationPierrefonds, Oise, Hauts-de-France, France
Distance from ParisAbout 80 km (50 mi) northeast
BuiltMedieval castle c. 1396–1407; rebuilt 1857–1885
Architectural styleLate-medieval military fortress; 19th-century reconstruction
Built for / byLouis I, Duke of Orléans; reconstructed by Eugène Viollet-le-Duc for Napoleon III
Current useMonument (Centre des monuments nationaux)
OwnerFrench State
ConditionRestored
Heritage designationMonument historique, classé (list of 1862), within the Domaine national du château de Pierrefonds (2021); Base Mérimée PA00114803
Open to publicYes (closed 1 Jan, 1 May, 25 Dec)
Official websitechateau-pierrefonds.fr

A fortress for a duke

Pierrefonds belongs to the most dangerous decade of the late French Middle Ages. In 1392 King Charles VI granted the county of Valois, with Pierrefonds among its lands, to his younger brother Louis I, Duke of Orléans, as an apanage; the county itself was raised to a duchy in 1406. Louis was ambitious, cultivated, and locked in a deepening rivalry with the house of Burgundy, first his uncle Philip the Bold and then his cousin John the Fearless, for control of a kingdom whose king slid in and out of madness. Across the 1390s and into the next decade he assembled a ring of fortresses across the lands north and east of Paris, Coucy and La Ferté-Milon among them, with Pierrefonds as the showpiece, set astride the roads that ran toward Flanders and Burgundy. The castle went up quickly, in little more than a decade, on the rock where an eleventh-century stronghold had stood before it. Its design is usually attributed to Raymond du Temple, the royal master mason who raised the great keep at Vincennes, with the building work on site directed by Jean le Noir.

What rose was a fortress of the newest type: an irregular quadrilateral wrapped in a double line of defense, an inner wall standing over an outer one so that two tiers of archers could fire at once, a continuous covered wall-walk, and a residential keep folded into the main range rather than standing apart. Eight massive round towers studded the circuit, and the gatehouse was guarded by a barbican, a drawbridge, and a ditch cut into the living rock.

Architectural plan of Château de Pierrefonds showing its eight corner towers, courtyard, chapel and keep
Viollet-le-Duc’s plan of the castle: a tight quadrilateral ringed by eight towers, with the keep gathered against the main range. Plan: after Viollet-le-Duc, public domain.

The towers were named for the Nine Worthies, the roll of heroes whose virtues a great lord was meant to embody: Caesar, Charlemagne, Arthur, Alexander, Godfrey of Bouillon, Joshua, Hector, and Judas Maccabeus. The two that faced the open plateau, the towers of Caesar and Charlemagne, were the mightiest, their walls as much as four and a half meters thick and built to shrug off the cannon that were beginning to decide sieges. So the castle announced its owner’s pretensions in stone before a single soldier appeared on the walls. Of the medieval statues only the figure of Hector survives; the rest are Viollet-le-Duc’s nineteenth-century replacements, and the ninth Worthy, King David, was given no tower at all, honored instead inside the chapel.

Louis never settled into it. In November 1407 he was murdered in a Paris street by men in the pay of John the Fearless, an assassination that lit the Armagnac–Burgundian civil war and helped drag France toward its lowest point in the Hundred Years’ War. The castle was all but finished the year its builder died.

A demolition that didn’t finish

For two centuries Pierrefonds passed through the turbulence of French history, attached to the crown, fought over more than once during the Wars of Religion, and finally caught in the noble revolts of Louis XIII’s early reign. By 1617 it belonged to François-Annibal d’Estrées, brother of Gabrielle d’Estrées, who had thrown in with the “party of the discontented” led by Henri II, Prince of Condé. Cardinal Richelieu, then secretary of state for war, sent troops to take it and ordered it slighted so it could never again shelter a rebel.

The wreckers did their work, but not all of it. They burned the roofs and floors, breached the towers, and razed the outer defenses. The sheer mass of the place defeated them: it was simply too big to pull down by hand, and the demolition was abandoned half-done. That accident of scale is why Pierrefonds survived at all. A castle reduced to neat rubble disappears into other people’s walls; a castle left as a gutted giant becomes a landmark. For more than two hundred years it stood open to the sky, its broken towers a silhouette above the forest.

The romantic ruin

Sold off as national property during the Revolution in 1798, the ruin was bought for Napoleon I in 1813 for a mere 2,700 francs. He did nothing with it. Its rediscovery came from a change in taste rather than a change of owner. As Romanticism spread through the 1820s and 1830s, the Middle Ages stopped looking barbarous and started looking heroic, and the ruined castle at the edge of a royal forest drew visitors and painters of the new taste. In 1832 King Louis-Philippe held a banquet in the ruins to mark the marriage of his daughter Louise to Léopold, first king of the Belgians. Painters came too: Corot returned to the broken towers again and again between 1834 and 1866. The state recognized what it had, and Pierrefonds was classed a monument historique on the landmark list of 1862.

Château de Pierrefonds reflected in a still lake beneath bare winter trees, early twentieth-century photograph
The castle mirrored in the lake below its spur, in an early twentieth-century photograph. The brooding silhouette is the one that drew the Romantics. Photograph: Agence Rol, public domain.

By then it had already caught the eye of the man who would change everything. As prince-president, the future Napoleon III visited the ruins on 15 July 1850, close to the imperial residence at Compiègne. He was a serious amateur of archaeology, and the place lodged in his imagination.

Viollet-le-Duc’s reinvention

In 1857, now emperor, Napoleon III asked Eugène Viollet-le-Duc to take Pierrefonds in hand, on the advice of the writer Prosper Mérimée, inspector-general of historic monuments. Viollet-le-Duc was the most influential restorer of his century, the man already at work on Notre-Dame de Paris, the Sainte-Chapelle, and the walls of Carcassonne, and the author of a vast dictionary of medieval architecture that taught France how to look at its own Middle Ages. He was also the most controversial, because of a conviction he stated plainly: to restore a building was not to repair it but to return it to a complete state that might never have existed at any single moment in its history. At Pierrefonds he had the rarest thing a restorer can be given, a nearly blank canvas and an emperor’s budget, and he used it to build the Middle Ages he believed in.

The first campaign, from 1858, was modest: stabilize the ruin, partly rebuild the keep and the great towers, and keep the picturesque shell as scenery. Around 1861 the emperor’s ambition swelled, and the project changed character entirely. Pierrefonds was now to become a working imperial residence, a place to receive the court and indulge the era’s appetite for the Middle Ages, and the whole castle would be raised again from the ground. The works would swallow more than five million gold francs before they stopped, the great majority drawn from the emperor’s own purse rather than the public treasury.

Sepia photograph of the newly finished gatehouse of Pierrefonds, the surrounding ground still bare and unlandscapedCC0" style="width:437px" srcset="https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-entrance-historic.jpg 902w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-entrance-historic-211x300.jpg 211w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-entrance-historic-722x1024.jpg 722w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-entrance-historic-768x1090.jpg 768w" sizes="auto, (max-width: 902px) 100vw, 902px" />
The new gatehouse not long after the masons left, the ground around it still raw and unplanted. Photograph: Rijksmuseum, CC0.

Here the building splits in two. On the outside, Viollet-le-Duc worked like the archaeologist he was, reconstructing the defensive system of a fortress of around 1400. On the inside, he let his imagination off the leash. The apartments, halls, and chapel are inventions, glowing with polychrome paint, heraldic beasts, the imperial eagle, and the Valois porcupine, owing as much to the nineteenth century as to the fourteenth. Behind the medieval skin he hid a modern skeleton of iron roof framing and metal ties that no fourteenth-century mason could have raised, so that the most convincing medieval castle in France is, in its bones, a building of the industrial age. He even signed his work: on the chapel front he carved himself as a pilgrim of Saint James, set forever to watch over his creation.

Nineteenth-century painting of the completed Château de Pierrefonds rising above a country road, by Emmanuel Lansyer
The finished castle as a nineteenth-century subject in its own right, painted by Emmanuel Lansyer. Painting: Emmanuel Lansyer, public domain.

He did not live to see it abandoned. Viollet-le-Duc died in 1879, and the work passed to his son-in-law Maurice Ouradou and then to Juste Lisch. With the Second Empire gone and the money with it, construction halted in 1885, and much of the decoration was never finished. The unfinished rooms are part of the spell: Pierrefonds is a dream caught mid-sentence.

Inside the dream

Cross the drawbridge and the severity of the exterior gives way to the cour d’honneur, a courtyard of some 700 square meters where a bronze Louis d’Orléans rides for ever, cast by Emmanuel Frémiet, and stone chimeras crouch along the staircase. Romanesque, late-Gothic, and Renaissance motifs sit side by side here, a late-medieval style already gesturing toward the Renaissance. The keep, backed against the main range as a medieval lord’s quarters would have been, holds the imperial apartments, and the bedrooms of Napoleon III and Eugénie occupy the Julius Caesar tower.

The vaulted Salle des Preuses, its green walls and gilded ceiling lined with statues of the Nine Worthy WomenCC BY-SA 3.0" srcset="https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-salle-des-preuses.jpg 1280w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-salle-des-preuses-300x200.jpg 300w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-salle-des-preuses-1024x682.jpg 1024w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-salle-des-preuses-768x512.jpg 768w" sizes="auto, (max-width: 1280px) 100vw, 1280px" />
The Salle des Preuses, roofed like an upturned ship’s hull, with the gallery of warrior heroines above the great double fireplace at the far end. Photograph: Jean-Pol Grandmont, CC BY-SA 3.0.

Chief among the interiors is the Salle des Preuses, the Hall of the Heroines. About 52 meters long, some nine and a half wide, and twelve high, roofed by a barrel vault like an upturned ship’s hull, it was conceived both for imperial receptions and as a setting for Napoleon III’s private collection of armor. At its far end stands a monumental double fireplace crowned by nine carved warrior maidens, the female counterparts of the Nine Worthies. Their leader, Semiramis, was given the features of Empress Eugénie, and her eight companions those of Eugénie’s ladies-in-waiting, so that the imperial court took its place among the heroines of antiquity. One alone wears no crown, the empress’s own reader, who stands bareheaded among the queens because she was not of noble birth. At the hall’s opposite end Charlemagne and his paladins answer the heroines across the room. Viollet-le-Duc drew the whole theme from a lost fireplace at Coucy, another castle of Louis d’Orléans, by way of a Renaissance drawing.

The castle chapel interior with a tall stained-glass lancet and a bronze winged figure on a pedestalCC BY-SA 4.0" style="width:459px" srcset="https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-chapel.jpg 949w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-chapel-222x300.jpg 222w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-chapel-759x1024.jpg 759w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-chapel-768x1036.jpg 768w" sizes="auto, (max-width: 949px) 100vw, 949px" />
The chapel, built into the Judas Maccabeus tower, with a winged bronze figure beneath its tall traceried window. Photograph: Zairon, CC BY-SA 4.0.

Beyond the great hall the rooms unfold one into the next, each a stage set in paint and carved oak. The Salle des Gardes keeps its soldierly plainness around a vast hooded fireplace; the reception rooms blaze with stenciled ceilings, painted beasts, and bands of heraldry; a long vaulted gallery runs the inner face of the courtyard, its corbels carved as watching knights. The decoration was meant to look medieval and to feel imperial at the same time, and where the money ran out the bare stone simply shows through, a reminder that all of it is scenery built in living memory.

Completed in 1867, the great hall opened as a museum during that year’s Exposition Universelle, displaying Napoleon III’s personal collection of arms and armor. When the empire fell in 1870 and Prussian armies advanced, the collection was crated, eighty-five cases of it, and sent to safety; it remains in the Musée de l’Armée at the Invalides to this day, which is why the castle now stands gloriously empty of its original treasure. Down in the cellars waits a stranger company still, the Bal des Gisants, a crowd of plaster casts taken from the royal tomb effigies of Saint-Denis. Nearby, set into the Judas Maccabeus tower, the chapel claims a small distinction of its own: it is said to be the only church in France with a gallery raised above the choir.

Stone statue of Viollet-le-Duc carved as Saint James the pilgrim, with scallop shells, staff and a signed scrollCC0" style="width:350px" srcset="https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-vld-self-portrait.jpg 722w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-vld-self-portrait-169x300.jpg 169w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-vld-self-portrait-578x1024.jpg 578w" sizes="auto, (max-width: 722px) 100vw, 722px" />
Viollet-le-Duc carved himself into the chapel front as a pilgrim of Saint James, scallop shells on hat and shoulder and his name on the scroll at his feet. Photograph: Jebulon, CC0.

Visiting Château de Pierrefonds

Pierrefonds lies about 80 kilometers northeast of Paris and some fifteen kilometers east of Compiègne, its companion among the châteaux of the Oise; the easiest approach is the train to Compiègne followed by the local bus 657 or a taxi across the forest, or roughly an hour and a quarter by car from the capital. The Centre des monuments nationaux runs the site and opens it daily except 1 January, 1 May, and 25 December, on longer hours from early May to early September. One ticket covers the whole monument and its park, and several groups enter free, young visitors among them.

The twin-towered gatehouse and drawbridge approach of Château de Pierrefonds under a blue skyCC BY-SA 4.0" srcset="https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-main-entrance.jpg 1280w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-main-entrance-300x226.jpg 300w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-main-entrance-1024x772.jpg 1024w, https://stonekeepatlas.com/wp-content/uploads/2026/06/pierrefonds-main-entrance-768x579.jpg 768w" sizes="auto, (max-width: 1280px) 100vw, 1280px" />
The twin-towered gatehouse and its bridge, the way visitors enter today. Photograph: Rolf Kranz, CC BY-SA 4.0.

One current note worth checking before you go: the Salle des Preuses, the castle’s flagship room, is closed for the second phase of a major restoration, while the Empress’s Apartments reopened to visitors in May 2026. The first phase, finished in 2024 after nearly three years of work, was the first thorough campaign on that wing of the fortress in more than a century. For the latest on hours, prices, and which rooms are open, the official site is the place to look.

Admission

Admission
ItemDetail
Prices and hours forThe operator’s standing calendar, published with no year (read 29 October 2026)
Full price€9 (the whole monument and its park)
Twin ticket with the Cité internationale de la langue française, Villers-Cotterêts€15
Triple ticket, adding the Domaine national du château de Coucy€20
Under 18Free
Aged 18-25, EU nationals and non-EU residents of FranceFree
Disabled visitor and companionFree
Jobseekers (certificate under six months old)Free
Free SundaysFirst Sunday of January, February, March, November and December
European Heritage DaysFree, third weekend of September (CMN’s free-entry conditions)
Group rate, 20 or more paying adults€7.50 per person
Audioguide€4 (French, English, German, Dutch)
PaymentCash, bank card, check, Chèque Culture and ANCV holiday vouchers
Opening hours2 May-4 September 9:30am-6pm; 5 September-30 April 10am-5:30pm
Last admissionOne hour before closing
ParkCloses 45 minutes before the monument
Closed1 January, 1 May and 25 December

Checked against the Centre des monuments nationaux on 29 October 2026; confirm before traveling.

Entry tickets can be bought online through the Centre des monuments nationaux ticket office linked from the château’s own website; for third-party tours of the area, you can search GetYourGuide, and anyone staying overnight nearby can compare hotels near Pierrefonds.

Some links on this page are affiliate links, which means StoneKeep Atlas may earn a small commission, at no extra cost to you, if you book through them.

Louis d’Orléans, who built Pierrefonds, also held the Château de Fère an hour to the east, now a hotel; it and the other château stays near the capital are ranked in our guide to Castle Hotels Near Paris.

More Views of Château de Pierrefonds

From the air, from the cour d’honneur, and through the painted rooms Viollet-le-Duc invented, here is the castle in more detail, along with a few of the historical views that show it rising from its ruin.

Common Questions

Was Merlin filmed at Château de Pierrefonds?

Yes. Its operator, the Centre des monuments nationaux, names the series Merlin, Les Visiteurs 2 and Luc Besson’s Jeanne d’Arc among the productions you can spot it in, and the caption on its photograph of the Merlin shoot names the BBC and Shine Limited. It calls Pierrefonds an inspiration to French and international directors for more than a century, and still hires out spaces from the cellars to the roofs for film and photo shoots all year round.

Can you visit the Château de Pierrefonds?

Yes, year-round, with a few house rules. Dogs are not allowed inside the castle and must be kept on a leash in the park. Strollers are welcome in the park but not in the castle, and there is stroller parking in the cour d’honneur. Photography is allowed indoors without flash or a tripod. Folding cane seats are lent at the start of the visit, lockers are available at reception, and the whole site, outdoors included, is smoke-free.

How do I get from Paris to Château de Pierrefonds?

By car, the operator’s route from Paris is the A1 motorway to exit 9, then the D200 toward Compiègne and the D973. The castle sits in the middle of the village, and the operator points drivers to free parking on rue Sabatier, about ten minutes from the castle. Without a car, it names three railway stations as starting points, Compiègne, Crépy-en-Valois and Villers-Cotterêts, and buses run to Pierrefonds from Compiègne station.

Who lived in Château de Pierrefonds?

Few of those it was built for. After Louis d’Orléans was murdered, his widow, Valentine Visconti, withdrew to Blois and never returned to the Valois. When the Second Empire fell in 1870, the empress fled to England, where the emperor joined her in 1871; the operator says the family never enjoyed the castle. Soldiers filled it instead: from autumn 1914 to the Armistice it was a barracks, sleeping up to 1,500 a night when the front lay about fifteen kilometers away. Their graffiti are shown on themed guided tours.

How long does a visit to Château de Pierrefonds take?

Allow about an hour and a half, which is how long the operator’s audioguide tour runs. Guided tours led by the monument’s staff take about an hour; you sign up at reception on arrival, they cannot be booked in advance, and they add nothing to the ticket price, though some days, public holidays among them, have none. Leave time for the five-hectare park too, where the operator points out a few seventeenth-century cannonballs still lodged in the Charlemagne tower.

Where can you eat at Château de Pierrefonds?

The operator’s answer is the village. It suggests one of the many restaurants of Pierrefonds, a few steps from the castle, as the place to try the culinary specialties of Picardy, and it links to a list of restaurants around Pierrefonds published by the tourist office of the Compiègne agglomeration.

Does Château de Pierrefonds hold a ball?

Yes. It holds an evening Second Empire ball, which the operator says recreates the dance evenings of Napoleon III’s reign at each edition. The dance association Carnet de Bals presented it in the Salle des Gardes in May 2024, May 2025 and June 2026, to quadrilles, waltzes and polkas; the 2025 and 2026 editions required costume or evening dress. The 2026 Bal de l’Impératrice marked the bicentenary of Empress Eugénie’s birth. Dates and tickets appear in the operator’s agenda.

Can you hold a wedding at Château de Pierrefonds?

Yes, as a private hire. The Centre des monuments nationaux rents three interior spaces, the cour d’honneur and the castle grounds all year for private events, weddings and birthdays among them. Its stated capacities are 300 guests in the Salle des Gardes, 100 in the chapel, 50 in the kitchens and 540 in the cour d’honneur. Its listed facilities include a list of caterers, nearby coach parking and a drop-off point for coaches and visitors with reduced mobility.

Beyond Château de Pierrefonds

If Pierrefonds captures you, three castles make natural next stops. Nearest of all is the Château de Compiègne, just across the same forest, the imperial palace from which Napoleon III ordered this very reconstruction. An hour away in the same Oise countryside, the Château de Chantilly tells a parallel story: another older estate reinvented in the nineteenth century, this time as a Renaissance-revival palace and a museum frozen by its last prince. Further afield, in the Bavarian Alps, Neuschwanstein is the purest expression of the same Romantic impulse, King Ludwig II’s fairy-tale vision of a Middle Ages that never quite was, kin to Viollet-le-Duc’s. Closer to Pierrefonds in spirit is Drachenburg, a historicist castle of the same restless century above the Rhine.

And for Viollet-le-Duc’s other great fortress, the one most often set beside Pierrefonds, there is Carcassonne Castle in the south, the walled Cité whose towers he capped with the same pointed slate roofs. Where Pierrefonds was rebuilt almost from nothing, Carcassonne was consolidated from a genuine medieval survivor, and together the two mark the range of his work, from outright reconstruction to careful repair. A generation later, across the border in Alsace, the Château du Haut-Kœnigsbourg was rebuilt for Wilhelm II in much the same spirit, and contemporaries noticed how closely the German worksite echoed Pierrefonds.

For a glimpse of the real late-medieval fortress behind the dream, the great keep at Vincennes, raised by Louis d’Orléans’s father Charles V, shows the kind of royal stronghold Pierrefonds was built to rival. And it is no surprise that filmmakers keep returning: Pierrefonds has stood in for Camelot in a British television series and supplied the backdrop for swashbucklers and period dramas on screen, the camera drawn to the very quality that makes it remarkable, a Middle Ages more vivid than the original. That same quality lands Pierrefonds among the fairytale castles in France, the châteaux whose silhouettes belong in a storybook.

Conclusion

Pierrefonds is a late-medieval castle, ruined and then rebuilt in the nineteenth century. Outside, Viollet-le-Duc reconstructed the defenses of a fortress of around 1400; inside, he completed an idea of one, and the result records the nineteenth century’s longing for the Middle Ages as much as the Middle Ages themselves. The duke who built it died before he could live in it, and the emperor who rebuilt it fell before it was finished, with the works continuing to 1885. What stands above the forest today is that nineteenth-century completion.

Principal Sources

Construction dates for the medieval castle differ between sources, and its architect is known by attribution rather than by document.

Image credits. Hero, the castle from the air: Adobe Stock; The plan: after Viollet-le-Duc, public domain, via Wikimedia Commons; The castle reflected in the lake: Agence Rol, public domain, via Wikimedia Commons; The new gatehouse (historic photograph): Rijksmuseum, CC0, via Wikimedia Commons; The finished castle (Lansyer painting): Emmanuel Lansyer, public domain, via Wikimedia Commons; The Salle des Preuses: Jean-Pol Grandmont, CC BY-SA 3.0, via Wikimedia Commons; The chapel: Zairon, CC BY-SA 4.0, via Wikimedia Commons; Viollet-le-Duc as Saint James: Jebulon, CC0, via Wikimedia Commons; The main entrance: Rolf Kranz, CC BY-SA 4.0, via Wikimedia Commons; The castle from the air (gallery): ToucanWings, CC BY-SA 3.0, via Wikimedia Commons; The barbican and footbridge: Pierre André Leclercq, CC BY-SA 3.0, via Wikimedia Commons; The cour d’honneur: Pierre André Leclercq, CC BY-SA 4.0, via Wikimedia Commons; The gallery walk: Zairon, CC BY-SA 4.0, via Wikimedia Commons; The Salle des Gardes fireplace: Zairon, CC BY-SA 4.0, via Wikimedia Commons; The Salon de Réception: Zairon, CC BY-SA 4.0, via Wikimedia Commons; The room of plaster casts: Zairon, CC BY-SA 4.0, via Wikimedia Commons; The Bal des Gisants: Fab5669, CC BY-SA 4.0, via Wikimedia Commons; The Salle des Preuses eagle arms: Zairon, CC BY-SA 4.0, via Wikimedia Commons; Pierrefonds as restored by Viollet-le-Duc (engraving): Internet Archive Book Images, no restrictions, via Wikimedia Commons; The castle from the north-west (Mieusement): Médéric Mieusement, CC BY-SA 4.0, via Wikimedia Commons; The Chemin de Fer du Nord poster (designed by G. Fraipont): Thomas Thibaut, public domain, via Wikimedia Commons. Freely licensed images are resized to fit; any other change, such as a crop, is named in the credit.